Home / 43,371.32-65,056.91-12,206.57

Finding the Fourth Proportional to 43,371.32, 65,056.91 and 12,206.57

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Solution

The fourth proportional to 43,371.32, 65,056.91 and 12,206.57 is: 18,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,371.32 : 65,056.91 = 12,206.57 : x
  2. Step 2: Convert to fraction form
    43,371.32/65,056.91 = 12,206.57/x
  3. Step 3: Cross multiply
    43,371.32x = 65,056.91 × 12,206.57
  4. Step 4: Simplify right side
    43,371.32x = 794,121,339.58
  5. Step 5: Solve for x
    x = 794,121,339.58/43,371.32
  6. Step 6: Final answer
    x = 18,309.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.